The invention discloses a method for retaining color, fixing shape and increasing aroma for flat tea. The method comprises the steps of: conducting spreading, enzyme deactivation, cooling, tea strip tidying, shaping, and hair removal; evenly spreading the tea; introducing the tea into an aroma increase machine, controlling temperature at 100-115 DEG C for 10-15 min, and spreading for cooling for 20-30 min; introducing the tea into a drum frying machine to increase the aroma, and controlling temperature at 220-240 DEG C for 8-15 min until the tea aroma overflows, the tea can be rubbed into powder by hands, and moisture content reaches 3% to 6%; and taking out the tea, spreading the tea for cooling, and bagging the tea. The method can not only promote the formation of the aroma of the tea, but also preserve the color and fix the shape, thereby effectively improving the quality of the tea.